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Tb coordination polymer green luminescent material containing pyridine carboxylic acid derivative with conjugated structure and synthesis method thereof

A technology of coordination polymers and luminescent materials, applied in luminescent materials, chemical instruments and methods, etc., can solve unrealistic, complex and expensive problems, achieve low raw material cost, good crystal crystallinity, enhanced detection selectivity and The effect of sensitivity

Inactive Publication Date: 2020-08-04
LUOYANG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these available methods are limited and only available in certain circumstances, especially complex and expensive, to detect Fe in field conditions 3+ very unrealistic

Method used

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  • Tb coordination polymer green luminescent material containing pyridine carboxylic acid derivative with conjugated structure and synthesis method thereof
  • Tb coordination polymer green luminescent material containing pyridine carboxylic acid derivative with conjugated structure and synthesis method thereof
  • Tb coordination polymer green luminescent material containing pyridine carboxylic acid derivative with conjugated structure and synthesis method thereof

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Effect test

Embodiment 1

[0030] A kind of Tb coordination polymer green luminescent material containing conjugated structure pyridine carboxylic acid derivative, the chemical formula of coordination polymer is: [Tb(tcptpy)(H 2 O) 2 2H 2 O]n, where n is greater than 1, the ligand H 3 tcptpy is 4-(2,4,6-tricarboxyphenyl)-4,2':6',4"-bipyridine, the basic unit of the coordination polymer crystal belongs to the monoclinic system, and the space group is P21 / c , the chemical formula is: C24H16N3O8Tb, and the unit cell parameters are α=90°, β=95.143(3)°, γ=90°, The luminescent material can be excited by near-ultraviolet light and emit bright green fluorescence.

[0031] The preparation method of the above-mentioned coordination polymer green luminescent material comprises the following steps:

[0032] Raw material: terbium oxide Tb 4 o 7 , Tb(NO 3 ) 3 6H 2 O, glacial acetic acid, dilute hydrochloric acid, ethanol, N, N diformamide (DMF) concentrated hydrochloric acid, NaOH, all of analytical grade...

Embodiment 2

[0049] A kind of Tb coordination polymer green luminescent material containing conjugated structure pyridine carboxylic acid derivative, the chemical formula of coordination polymer is: [Tb(tcptpy)(H 2 O) 2 2H 2 O]n, where n is greater than 1, the ligand H 3 tcptpy is 4-(2,4,6-tricarboxyphenyl)-4,2':6',4"-bipyridine, the basic unit of the coordination polymer crystal belongs to the monoclinic system, and the space group is P21 / c , the chemical formula is: C24H16N3O8Tb, and the unit cell parameters are α=90°, β=95.143(3)°, γ=90°, The luminescent material can be excited by near-ultraviolet light and emit bright green fluorescence.

[0050] The preparation method of the above-mentioned coordination polymer green luminescent material comprises the following steps:

[0051] (1), preparation of precursor solution:

[0052] a. Take 0.3mmol organic ligand H 3 The mixture of tcptpy dissolved in 30ml water and organic solvent

[0053] In the combined solution, solution A is ob...

Embodiment 3

[0059] A kind of Tb coordination polymer green luminescent material containing conjugated structure pyridine carboxylic acid derivative, the chemical formula of coordination polymer is: [Tb(tcptpy)(H 2 O) 2 2H 2 O]n, where n is greater than 1, the ligand H 3 tcptpy is 4-(2,4,6-tricarboxyphenyl)-4,2':6',4"-bipyridine, the basic unit of the coordination polymer crystal belongs to the monoclinic system, and the space group is P21 / c , the chemical formula is: C24H16N3O8Tb, and the unit cell parameters are α=90°, β=95.143(3)°, γ=90°, The luminescent material can be excited by near-ultraviolet light and emit bright green fluorescence.

[0060] The preparation method of the above-mentioned coordination polymer green luminescent material comprises the following steps:

[0061] (1), preparation of precursor solution:

[0062] a. Take 0.4mmol organic ligand H 3 tcptpy dissolved in 50ml of water and a mixture of organic solvents

[0063] In the combined solution, solution A is ...

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Abstract

The invention relates to a Tb coordination polymer green luminescent material containing a pyridine carboxylic acid derivative with a conjugated structure. The Tb coordination polymer green luminescent material is characterized in that the chemical formula of the coordination polymer is [Tb(tcptpy)(H2O)2.2H2O]n, wherein n is greater than 1, the ligand H3tcptpy is 4-(2, 4, 6-tricarboxyphenyl)-4, 2': 6',4''-dipyridyl, the coordination polymer crystal basic unit belongs to a monoclinic system, the space group is P21 / c, the chemical formula is C24H16N3O8Tb, the unit cell parameters are as follows: alpha = 90 degrees, beta = 95.143 (3) degrees and gamma = 90 degrees, and the luminescent material can be excited by near ultraviolet light and emit bright green fluorescence. The Tb coordination polymer green luminescent material is low in raw material cost, simple in preparation process equipment, excellent in comprehensive performance and suitable for industrial production, and the material can meet the requirements of the application fields of electronic industry, public areas display, illumination and environmental ion detection.

Description

technical field [0001] The invention relates to the technical field of luminescent materials, in particular to a Tb coordination polymer green luminescent material containing conjugated pyridine carboxylic acid derivatives and a synthesis method thereof. Background technique [0002] Iron is one of the ubiquitous elements in our living environment, Fe 3+ Ions widely exist in the environment and biological systems, not only indispensable in organisms, but also play an important role in transporting oxygen and synthesizing DNA and RNA. Moreover, Fe 3+ The lack of ions can disrupt the homeostasis and metabolism of cells, which can cause various serious diseases, such as hepatitis, hereditary hemochromatosis, Parkinson's disease. Too much excess iron present is also toxic and can cause vomiting, diarrhea and intestinal damage. When a person consumes excess iron or is exposed to Fe for a long time 3+ , or repeated blood transfusions, or chronic alcoholism, iron can accumulate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G83/00C09K11/06
CPCC08G83/008C09K11/06C09K2211/1466C09K2211/182
Inventor 冯勋陈楠方海鹏张慧娟于晶晶赵鑫张振涛
Owner LUOYANG NORMAL UNIV
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